on both desktop and mobile systems.

在桌面和移動系統上都是如此。

Both systems have a rather short time period

這兩個系統都有一個相當短的時間段

where you can unsend your message,

在那裡你可以取消發送你的資訊。

but it is possible.

但這是可能的。

First, you need to set the time limit

首先，你需要設置時間限制

for undoing a message send.

用於撤消資訊發送。

Click on settings, the small gear icon.

點擊設置，小齒輪圖標。

And then click on "See all settings."

然後點擊 "查看所有設置"。

In the "Undo Send" section,

在 "撤銷發送 "部分。

select the send cancellation period time.

選擇發送取消期的時間。

You can choose between five, 10,

你可以選擇5個，10個。

20, or 30 seconds.

20秒，或30秒。

Then scroll to the bottom of the page

然後滾動到頁面底部

and click "Save Changes."

並點擊 "保存更改"。

Now, as soon as you send an email,

現在，只要你發送一封電子郵件。

look for the "Message sent" pop-up,

尋找 "消息已發送 "的彈出窗口。

which will appear in the lower-left side of your screen.

這將出現在螢幕的左下方。

You'll have the option to undo or view your message.

你可以選擇撤銷或查看你的資訊。

Click "Undo." The message will unsend,

點擊 "撤銷"。該資訊將取消發送。

and a window to recompose the message

和一個窗口來重新構思資訊

will appear in the bottom-right side of the screen.

將出現在螢幕的右下方。

The process to unsend an email in Gmail

在Gmail中取消發送郵件的過程

on an iPhone, iPad, or Android device

在iPhone、iPad或Android設備上

is basically the same,

基本上是一樣的。

the difference being

區別在於

that you do not have the option

你沒有選擇

to change the length of the cancellation period.

以改變取消期的長度。

It is set to an unchangeable five seconds,

它被設定為不可改變的5秒。

so you must act quickly.

所以你必須迅速行動。

After you send an email,

在你發送電子郵件後。

a sent notification will appear

將會出現一個已發送的通知

at the bottom of the screen alongside an undo option.

在螢幕的底部，有一個撤銷選項。

Tap "Undo." The message will unsend,

點 "撤銷"。該資訊將取消發送。

and you'll be taken to a screen

然後你會被帶到一個螢幕

to recompose the message.

來重新編排資訊。